91.   But a spokesman said Tuesday that the office found no evidence of wrongdoing and closed the case without bringing any charges.

92.   But analysts say he may want to bring charges against Lewinsky there simply because prosecutors win more often in Northern Virginia than they do in Washington.

93.   But Donald Smaltz has brought charges against his main investigative subject, former Agriculture Secretary Mike Espy.

94.   But even short of bringing charges, the recent enforcement actions have had an effect.

95.   But he did not say when any charges might be brought.

96.   But he said it was unclear whether those charges would be brought against Wu if his case comes to trial.

97.   But if he does not bring criminal charges, then his background will make it politically untenable for the opposition to challenge his findings.

98.   But if the government brings the charges, Grose will be fighting his own words.

99.   But he brought no charges, and his successor as prosecutor has not taken up the case.

100.   But in the end, federal officials are likely to bring charges only if they believe they have a case in which they could obtain a conviction.